/* Responsive Design - Mobile First Approach */

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Desktop (992px to 1199px) */
@media (max-width: 1199px) {
    .hero-container {
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

/* Tablet (768px to 991px) */
@media (max-width: 991px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        max-width: 500px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-info {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    /* Ensure footer sticks to bottom on tablet */
    .footer {
        margin-top: auto;
        flex-shrink: 0;
    }
}

/* Mobile Large (576px to 767px) */
@media (max-width: 767px) {
    /* Navigation Mobile */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-3xl);
        transition: var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-lg);
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero Mobile */
    .hero {
        padding: 100px 0 var(--spacing-2xl);
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-image .image-placeholder {
        width: 250px;
        height: 250px;
    }
    
    /* Sections Mobile */
    .about-preview,
    .portfolio-preview {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .portfolio-item {
        max-width: 400px;
        margin: 0 auto;
    }
    
    /* Footer Mobile */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
        margin-top: auto;
        flex-shrink: 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-info {
        grid-column: auto;
        margin-bottom: 0;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Ensure proper page structure on mobile */
    body {
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }
    
    /* Contact page specific fixes */
    .contact-hero,
    .contact-content,
    .faq-section {
        flex: none;
    }
}

/* Mobile Small (up to 575px) */
@media (max-width: 575px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
        height: 60px;
    }
    
    .nav-logo a {
        font-size: var(--font-size-xl);
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
        padding-top: var(--spacing-2xl);
    }
    
    .hero {
        padding: 80px 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-image .image-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .section-header p {
        font-size: var(--font-size-base);
    }
    
    .about-text p {
        font-size: var(--font-size-base);
    }
    
    .stat h3 {
        font-size: var(--font-size-2xl);
    }
    
    .portfolio-image {
        height: 180px;
    }
    
    .portfolio-info {
        padding: var(--spacing-md);
    }
    
    .portfolio-info h3 {
        font-size: var(--font-size-lg);
    }
}

/* Extra Small Mobile (up to 375px) */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-image .image-placeholder {
        width: 180px;
        height: 180px;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        min-width: 120px;
    }
    
    .portfolio-image {
        height: 160px;
    }
    
    .stat {
        padding: var(--spacing-md);
    }
    
    .social-link {
        width: 36px;
        height: 36px;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 var(--spacing-xl);
    }
    
    .nav-menu {
        height: calc(100vh - 60px);
        padding-top: var(--spacing-lg);
    }
    
    .nav-link {
        padding: var(--spacing-sm);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .image-placeholder {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f8f9fa;
        --text-secondary: #adb5bd;
        --text-light: #6c757d;
        --bg-primary: #212529;
        --bg-secondary: #343a40;
        --border-color: #495057;
    }
    
    .navbar {
        background-color: rgba(33, 37, 41, 0.95);
        border-bottom-color: var(--border-color);
    }
    
    .hero {
        background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }
    
    .portfolio-item {
        background-color: var(--bg-secondary);
    }
    
    .stat {
        background-color: var(--bg-primary);
    }
    
    .image-placeholder {
        background: linear-gradient(135deg, var(--bg-secondary) 0%, #495057 100%);
    }
    
    .image-placeholder span {
        color: var(--text-light);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .hero-buttons,
    .portfolio-cta,
    .footer {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-preview,
    .portfolio-preview {
        padding: var(--spacing-lg) 0;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    * {
        color: black !important;
        background: white !important;
    }
}